People soon took to Twitter to condemn her remarks, with one tweet reading: "Britney would never stand there on a red carpet, on TV, & shade another artist she claims to admire. Thought you were different @katyperry."

Another user wrote: "Katy Perry just made ANOTHER dig at Britney Spears shaving her head on CBS!"

A third tweeted: "Britney has 2 of the best selling albums in history certified +200M records sold ww Katy who? #katyperryisoverparty."

Express.co.uk has contacted a representative for Katy Perry asking for comment.